163272543 has 16 divisors (see below), whose sum is σ = 249290496. Its totient is φ = 93113280.

The previous prime is 163272541. The next prime is 163272553. The reversal of 163272543 is 345272361.

It is not a de Polignac number, because 163272543 - 2¹ = 163272541 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163272541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3480 + ... + 18402.

It is an arithmetic number, because the mean of its divisors is an integer number (15580656).

Almost surely, 2^163272543 is an apocalyptic number.

163272543 is a deficient number, since it is larger than the sum of its proper divisors (86017953).

163272543 is a wasteful number, since it uses less digits than its factorization.

163272543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15454.

The product of its digits is 30240, while the sum is 33.

The square root of 163272543 is about 12777.8144844883. The cubic root of 163272543 is about 546.5598418488.

The spelling of 163272543 in words is "one hundred sixty-three million, two hundred seventy-two thousand, five hundred forty-three".